My Canon inkjet MX330 printer is not printing and the In use/Memory light is on.

Hi,

If this is not a driver issue then there is a setting or hardware problem and you
will need to contact Canon.

As OEM Canon is responsible for the proper operation of the printer and their
supplied drivers. Check with Canon Support, their on-line documentation, and
drivers.

Good chance you need to update or re-install the latest available driver.

Canon - PIXMA MX330 - Drivers and Software <- select your version of Windows
http://www.usa.canon.com/cusa/support/consumer/printers_multifunction/pixma_mx_series/pixma_mx330#ServiceAndSupport

Canon - Support and Drivers
http://www.usa.canon.com/cusa/support/consumer

Canon - Support - Contact Us
http://www.usa.canon.com/cusa/consumer/standard_display/contact_us_consumer

Canon - Windows Support - Vista and Windows 7
http://www.usa.canon.com/cusa/consumer/products?pageKeyCode=windowsSupport

Canon - location confirmation page - printer could be from another region.
http://pdisp01.c-wss.com/os/

====================================================

The main issue is probably the drivers however these may help :

Add or remove a printer
http://windows.microsoft.com/en-US/windows-vista/Add-or-remove-a-printer

Troubleshoot printer problems
http://windows.microsoft.com/en-US/windows-vista/Troubleshoot-printer-problems

Open the Printer troubleshooter
http://windows.microsoft.com/en-US/windows7/Open-the-Printer-troubleshooter

Find a manufacturer's website
http://windows.microsoft.com/en-US/windows-vista/Find-a-printer-manufacturers-website

Find and install printer drivers in Windows 7
http://windows.microsoft.com/en-US/windows7/Find-and-install-printer-drivers

Hope this helps.
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Rob Brown - Microsoft MVP <- profile - Windows and Devices for IT : Bicycle - Mark Twain said it right.